Calcifediol, which can be naturally found in food and in the blood of the body, is a metabolite of Vitamin D3.
See table.
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Ingredients: Microcrystalline Cellulose (bulking agent), Dicalcium Phosphate (bulking agent, flow agent), Calcifediol 0.25% SD/S [carrier (starch sodium octenyl succinate, sucrose, medium chain triglycerides), antioxidants (sodium ascorbate, dl-alpha tocopherol), anticaking agent (silicon dioxide), active ingredient (calcifediol monohydrate)], Magnesium Stearate (lubricant), Silicon Dioxide (flow agent).